Wrench



UNITED STATES PATENT OFFICE.

WRENCH.

Specification of Letters Patent.

Patented Dec. 13, 1921.

Application filed March 1, 1921. Serial No. 448,787.

To all whom it may concern.

Be it known that I, HORACE R. MILAN, a citizen of the United States, residing at Columbia, in the county of Maury and State of Tennessee, have invented a new and useful Wrench, of which the following is a specification.

This invention relates to wrench constructions, one of the objects thereof being to provide a wrench having novel means for engaging a bolt head to prevent. rotary movement of thebolt while a nut is being positioned thereon.

A further object of the invention is to provide means of this character capable of adjustment with respect to the wrench shank, thereby adapting the device for use in connection with bolts of various lengths.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, may be made within the scope ofwhat is claimed, without departing from the spirit of the invention.

Referring to the drawing Figure 1 is a side elevational view partly in section, of a wrench constructed in accordance with the present invention.

Fig. 2 is a sectional view taken on line 2-2 of Fig. 1.

Fig. 3 is a sectional view taken on line 3-3 of Fig. 1.

Referring to the drawing in detall, the wrench includes a handle portion 5 and an offset shank 6, the lower end of the shank being tapered as at 7 to accommodate the socket 8, there being provided a screw 9 extending through the socket and contacting with the tapered extremity for securing the socket to the shank.

Supported on the shank 6, are the collars 10 and 11 respectively, each of which collars is provided with a circular flange 12 to accommodate the end of the tubular member 13 associated therewith, to permit of rotary movement of the tubular member 13 with respect to the shank, but at the same time eliminate movement thereof longitudinally of the shank 6.

These collars are secured to the shank by means of the set screws 14 which pass through the collars andhave their inner ends contacting with the shank. Due to this construction the tubular member may be adjusted throughout the length of the shank 6, so that the sockets forming a part of the wrench may be employed in connec tion with bolts of various lengths, thus adapting the tool for unlimited use.

Positioned within the tubular member 13 and surrounding the shank 6 of the tool, is a coiled spring 15, which has its upper extremity anchored to the member 13 while the lower extremity thereof is anchored to the sleeve 16 so that movement of the sleeve 16 will result in the expansion and contraction of the coiled spring 15.

This sleeve 16 is provided with lateral extensions 17 that operate in the slot 18 of the tubular member 13 to allow, the sleeve 16- to move with respect to the tubular member 13. A curved arm 19 has one end pivotally connected to the extension 17 the opposite end thereof supporting the socket member 20 which is designed to engage the head of a bolt during the operation of the wrench to prevent the bolt from rotating when the socket member 8 is operating to position a nut.

From the foregoing it will be seen that if a nut is to be positioned, the socket member 20 is placed over the head of the bolt, while the socket member 8 is placed over the nut to be positioned, whereupon rotary movement of the handle 5 results in a rotary movement being imparted to the nut to seat the same.

If it is desired to use the wrench on relatively longbolts, it is only necessary to release the set screws 1 1 and adjust the tubular member to a proper position on the shank 6, thereby lengthening the distance between the socket members 8 and 20.

The coiled spring 15 operates to draw the socket members to their work at all times during the operation of the wrench.

Having thus described the invention, what is claimed as new is 1, A wrench comprising a shank and an offset handle portion, a socket at one end of the shank, a tubular member supported on the shank and adapted to revolve therearound, means for adjusting the tubular member on the shank, a sleeve mounted on the shank and disposed within the tubular member, a socket carrying arm pivotally connected to the sleeve, and means in the tubular member for restricting movement of the sleeve and socket carrying arm.

2. A Wrench comprising a shank having a socketon one end thereof and an oifset handle portion, a tubular member supported on oiiset handle portion, a tubular member supported on the shank, means for supporting the tubular member to permit the same to revolve With respect to the shank, a sleeve member operatingon the shank and having an extension, a socket carrying arm having pivotal connection with the sleeve, and a coiled spring disposed Within the tubular member and engaging the sleeve for limiting movement of the sleeve and socket carrying arm.

4. A Wrench comprising a shank and a handle portion, collars supported on the shank, a tubular member having its ends disposed Within the collars, means forsecuring the collars to the shank, a sleeve mounted on the shank and movable Within the tubular member, an armhaving connection with the sleeve and carrying a socket on one end thereof, and said shank having a socket member on one end.

5. A Wrench comprising a shank and a handle portion, collars supported on the shank, each of said collars having a flange,

a tubular member having its ends positioned Within the flanges, a coiled spring encircling the shank and having one end thereof connected to one of the collars,-a sleeve mounted on the shank and having connection With the spring, said sleeve adapted to move Within the tubular member, said sleeve adapted to be restricted in its movement Within the tubular members, an arm carrying a socket member having connection With the sleeve, and a socket member carried on one end of the shank. 1 V

In testimony that I claim the foregoing as my own, I have hereto afixed my signature in the presence of two witnesses.

HORACE R. MILAN.

Witnesses; V

J. C. ANDERSON, H. D. JEFFERSON, 

